Maybe it'sa lotof peoplewho knowabout what it isasbestos.Andthe majority ofconstruction workersalready know aboutasbestosandthe manufacture ofasbestosmaterialsbecause mostused on theroof of the building.Asbestosis one of thebuilding materialsare notflammable andis oftenusedas theroof of the building.But todayit is known thatasbestoscan bea bad influenceon health.Asbestosfibersare composedofvery smalland smoothso itis notvisible to theeyeand has averymildnature.Adverse effectsofasbestosis cancer20 to30 yearslaterafter thesubstanceof asbestosinhaledby humans.Usuallywhendemolition isdue toinhalationof asbestosdustis verysmallandnot visible to theeye.Today the use ofasbestoshas been bannedfor reasons of health.Most of theasbestospresentisnot foundin thenew buildingwillhoweverremain inthe oldbuilding,diasarnkanusingother materialsthat are notharmfulasbestosis usedas a substitutein their daily lives.
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